863126824 has 64 divisors (see below), whose sum is σ = 1923955200. Its totient is φ = 355290624.

The previous prime is 863126821. The next prime is 863126837. The reversal of 863126824 is 428621368.

It is not an unprimeable number, because it can be changed into a prime (863126821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161052 + ... + 166324.

It is an arithmetic number, because the mean of its divisors is an integer number (30061800).

Almost surely, 2^863126824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863126824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961977600).

863126824 is an abundant number, since it is smaller than the sum of its proper divisors (1060828376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863126824 is a wasteful number, since it uses less digits than its factorization.

863126824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402 (or 5398 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 863126824 is about 29379.0201334217. The cubic root of 863126824 is about 952.1196710659.

The spelling of 863126824 in words is "eight hundred sixty-three million, one hundred twenty-six thousand, eight hundred twenty-four".